Case in point: My Princeton Tec Quad headlamp is great (and regulated for better light over the life of the battery). But it's not exactly "UL".

Could a CREE single bulb headlamp, or even the not-quite-as-bright Luxeon bulb, be put in a regulated headlamp that's 1/2 the weight of my PT Quad lamp? 1/3 the weight?

If so why the heck hasn't someone done it? Seems fairly simple.

EricP.S.And, nice as it is, why isn't my small Coleman "Xtreme" Cree bulb lantern regulated? I think, if people were aware of the better performance of regulated LED lights they would pay the premium to get it. And I mean TRUE regulated circuitry, not the lesser type as in my PT Quad.

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"There are no comfortable backpacks. Some are just less uncomfortable than others."

I just came back from three weeks in Peru using this. Very light, lasts ages on a battery, and you can wear it with the shock cord instead of the headband.

The downsides are that it's an area light with no throw past 20 feet or so on medium, and that low is really really low. I only noticed in the jungle since nights there are pitch black. With a bit of supplemental moon or starlight it was ok for close work and reading, though.